Add Yahoo as a preferred source to see more of our stories on Google. The U.S. government is mounting an emergency response in an effort to save a unique and endangered fish found off the coast of ...

An international study led by biologists from Monash University and the University of Tuscia has revealed how long-term exposure to pharmaceutical pollutants is dramatically altering fish behavior, ...

Water temperature plays a vital role in the behavior and survival of fish. Being cold-blooded, fish rely on external temperatures to regulate metabolism and activity. Even small changes in temperature ...

Light behaves differently underwater. It shifts with depth, bends through murky currents, and separates into distinct wavelengths that change from surface to seafloor. For fish, those subtle ...

Every year as part of the city’s St. Patrick’s Day celebrations, thousands of onlookers clad in green cheer on a boat crew sprinkling orange powder into the Chicago River to turn it a festive shade.

Winter began Dec. 21 and ends March 21. Or so says the calendar, if you prefer a specific date - rather than a change in weather to note the arrival and departure of seasons. For many, winter didn't ...

Before squaring up for a fight, some fish check themselves out in the mirror to make sure they're big enough. This strange behavior was seen in bluestreak cleaner wrasse (Labroides dimidiatus), who ...

Swedish University of Agricultural Sciences researchers release tagged juvenile salmon into a river. (Michael Bertram/Swedish University of Agricultural Sciences) (CN) — As Atlantic salmon face ...

University of Otago—Ōtākou Whakaihu Waka scientists have discovered that it takes mere minutes for a species of sex-changing fish to develop dominant behavior after a change in the pecking order. In a ...

While a dominant male fish from northern Mexico mates with a female, a small fella bides his time in the offing. Suddenly, the little guy darts in ahead of Mr. Big and plants his seeds on freshly laid ...

The U.S. government is mounting an emergency response in an effort to save a unique and endangered fish found off the coast of Florida. The details are strange. The National Oceanic and Atmospheric ...

The U.S. government is mounting an emergency response in an effort to save a unique and endangered fish found off the coast of Florida. Subscribe to read this story ad-free Get unlimited access to ...